music/exemplars/formula_cards/UNMATCHED__28_Trainers_Eyes_Meet_Lass_.json
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"start_s": 4.18,
"end_s": 8.057,
"db_delta": 3.04,
"lanes_added": 1.5,
"slope_db_per_s": 0.784
},
{
"position": 0.5181,
"start_s": 18.135,
"end_s": 21.943,
"db_delta": 3.07,
"lanes_added": 1.52,
"slope_db_per_s": 0.806
}
],
"breaks": [
{
"position": 0.0,
"at_s": 0.0,
"duration_s": 0.441
},
{
"position": 0.9699,
"at_s": 33.948,
"duration_s": 1.045
}
],
"tuttis": [],
"silence_budget": {
"fraction": 0.0444,
"seconds": 1.555,
"threshold": "40 dB below the track's own p95 RMS",
"note": "Section 11.2 treats rest as a FIRST-CLASS parameter, not an absence."
},
"counts": {
"drops": 10,
"raises": 3,
"breaks": 2,
"tuttis": 0
}
},
"opening_and_flow_law": {
"onset_type": "fade_in",
"first_sound_at_s": 0.464,
"time_to_hook_s": 0.72,
"time_to_hook_bars": 0.52,
"time_to_full_texture_s": 0.673,
"time_to_full_texture_bars": 0.48,
"flow_curve": {
"definition": "energy = 0.45*density + 0.35*lane-simultaneity + 0.20*register, each normalised to the track's own maximum (section 11.4)",
"times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2,
5.94,
6.69,
7.43,
8.17,
8.92,
9.66,
10.4,
11.15,
11.89,
12.63,
13.37,
14.12,
14.86,
15.6,
16.35,
17.09,
17.83,
18.58,
19.32,
20.06,
20.81,
21.55,
22.29,
23.03,
23.78,
24.52,
25.26,
26.01,
26.75,
27.49,
28.24,
28.98,
29.72,
30.46,
31.21,
31.95,
32.69,
33.44,
34.18,
34.92
],
"values": [
0.0697,
0.5946,
0.6699,
0.6303,
0.6714,
0.6567,
0.7028,
0.7556,
0.644,
0.7392,
0.7475,
0.7438,
0.73,
0.7103,
0.6739,
0.597,
0.67,
0.5626,
0.5323,
0.5359,
0.6427,
0.6861,
0.6545,
0.6327,
0.6659,
0.6299,
0.7335,
0.7012,
0.6821,
0.7354,
0.6973,
0.6638,
0.6893,
0.621,
0.5804,
0.6211,
0.5804,
0.5966,
0.6116,
0.6512,
0.6615,
0.5374,
0.4834,
0.4036,
0.314,
0.1028,
0.1127,
0.0004
],
"peak_position_normalised": 0.209
}
},
"complexity_law": {
"available": true,
"bar_length_s": 1.3932,
"bars": 25,
"index_per_bar": [
0.6844,
0.9414,
0.9051,
0.9977,
0.9328,
0.9762,
0.9347,
0.9417,
0.867,
0.8743,
0.8788,
0.943,
0.9022,
1.0,
0.9252,
0.9723,
0.9278,
0.9367,
0.8682,
0.8684,
0.8777,
0.9433,
0.8424,
0.5343,
0.0326
],
"definition": "lane count + 4*harmonic change rate + 0.6*onset strength + 0.4*register span, per bar, normalised to the track's own maximum (section 11.6)",
"step_map": [
{
"bar": 1,
"at_s": 1.39,
"delta": 0.257,
"at_section_boundary": true
},
{
"bar": 23,
"at_s": 32.04,
"delta": -0.308,
"at_section_boundary": true
},
{
"bar": 24,
"at_s": 33.44,
"delta": -0.502,
"at_section_boundary": true
}
],
"steps_at_section_boundaries": 3,
"steps_total": 3,
"boundary_step_share": 1.0,
"hypothesis_note": "Section 11.6 expects masterpieces to step complexity AT structural boundaries and hold it flat inside sections. This share is the measurement of that claim on this track; the corpus decides, not us."
},
"texture_and_density": {
"note_rate_per_s": 2.429,
"melodic_salience": 0.7933,
"voiced_fraction": 0.4318,
"note_count": 85,
"mean_lanes": 6.932,
"max_lanes": 9
},
"dynamics": {
"dynamic_range_db_p95_minus_p10": 17.16,
"peak_position_normalised": 0.211,
"peak_at_s": 7.384,
"arc_curve_db": [
-62.4,
-68.06,
-10.64,
-11.42,
-11.83,
-11.0,
-11.13,
-10.33,
-10.12,
-9.67,
-9.15,
-10.19,
-10.39,
-10.35,
-12.08,
-13.02,
-13.07,
-13.72,
-13.88,
-14.3,
-13.56,
-11.41,
-11.22,
-11.83,
-11.33,
-10.66,
-10.33,
-10.03,
-9.45,
-9.31,
-10.44,
-10.71,
-10.51,
-12.64,
-13.23,
-12.86,
-13.69,
-14.89,
-14.17,
-12.34,
-12.36,
-13.06,
-15.89,
-19.72,
-25.81,
-37.38,
-95.31,
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],
"arc_times_s": [
0.0,
0.74,
1.49,
2.23,
2.97,
3.72,
4.46,
5.2,
5.94,
6.69,
7.43,
8.17,
8.92,
9.66,
10.4,
11.15,
11.89,
12.63,
13.37,
14.12,
14.86,
15.6,
16.35,
17.09,
17.83,
18.58,
19.32,
20.06,
20.81,
21.55,
22.29,
23.03,
23.78,
24.52,
25.26,
26.01,
26.75,
27.49,
28.24,
28.98,
29.72,
30.46,
31.21,
31.95,
32.69,
33.44,
34.18,
34.92
]
},
"register": {
"melody_span_semitones": 29.0,
"melody_tessitura_midi": 46.33,
"bass_floor_band": {
"sub": 0.00228,
"low_bass": 0.08516,
"bass": 0.39617,
"low_mid": 0.15518,
"mid": 0.13108,
"upper_mid": 0.17059,
"presence": 0.05177,
"brilliance": 0.00632,
"air": 0.00083,
"ultra": 0.0
},
"octave_band_profile": {
"sub": 0.00228,
"low_bass": 0.08516,
"bass": 0.39617,
"low_mid": 0.15518,
"mid": 0.13108,
"upper_mid": 0.17059,
"presence": 0.05177,
"brilliance": 0.00632,
"air": 0.00083,
"ultra": 0.0
}
},
"cadence_and_ending": {
"loop_seam": {
"measurable": true,
"seam_distance": 1.0,
"interior_distance_median": 0.07289,
"seam_ratio": 13.719,
"seam_clean": false,
"tail_rms_over_mid": 0.0,
"head_rms_over_mid": 0.0,
"tail_rms_trend": -0.8228,
"head_rms_trend": 0.7082,
"baked_fade_out": true,
"baked_fade_in": true
},
"ending": "baked_fade_out",
"cadence_census_note": "A cadence census needs harmonic transcription and is a rung-2 dimension; the seam measurement is what rung 1 can honestly report about how it ends."
},
"timbre": {
"spectral_centroid_hz_mean": 1315.7,
"spectral_centroid_curve_hz": [
0.0,
1066.9,
797.8,
1249.4,
1441.6,
1485.4,
1065.3,
1404.4,
1074.7,
1114.2,
1103.2,
1218.3,
1188.1,
982.3,
956.0,
1720.8,
1425.9,
1375.4,
1101.3,
1509.4,
1132.0,
990.9,
1392.2,
1562.5,
1582.9,
1168.1,
1178.3,
1205.5,
1304.0,
1018.4,
1278.5,
1522.5,
1368.3,
985.5,
1647.9,
2336.7,
1316.3,
1461.8,
1644.7,
1744.0,
886.2,
1462.3,
1267.2,
1831.3,
844.3,
1042.8,
1377.3,
0.0
],
"spectral_rolloff85_hz_mean": 2386.5,
"spectral_flatness_mean": 0.02992,
"signature_colour": "warm"
}
}
}